SLD234VL Index-Guided High Power AlGaAs Laser Diode Description The SLD234VL is a high power index-guided AlGaAs laser diode. M-260 Features • High power • Low power consumption • Low astigmatism • Small package (φ5.6mm) Applications Pickups for optical discs Structure • AlGaAs quantum well-structured laser diode • PIN photodiode for optical power output monitor Recommended Operating Optical Power Output 50mW Absolute Maximum Ratings (Tc = 25°C) • Optical power output PO 50 80 mW (CW) mW (Pulse) Pulse period of 1µs or less Duty of 50% or less • Reverse voltage VR LD 2 V PD 15 V • Operating temperature Topr –10 to +60 °C • Storage temperature Tstg –40 to +85 °C Pin Configuration Connection Diagram 3 COMMON PD LD 2 2 1 1 3 1. LD ANODE 2. PD ANODE 3. COMMON Bottom View Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. –1– E97941A99-PS SLD234VL Optical and Electrical Characteristics (Tc = 25°C) Item Tc: Case temperature Symbol Conditions Min. Typ. Max. Unit Threshold current Ith CW 15 20 30 mA Operating current Iop CW, PO = 50mW 60 70 85 mA Operating voltage Vop CW, PO = 50mW — 2.0 2.5 V Oscillation wavelength λp CW, PO = 50mW 775 785 795 nm Differential efficiency ηD CW, PO = 50mW 0.8 1.0 1.3 mW/mA θ// CW, PO = 50mW 7 8.5 10 degree Perpendicular θ⊥ CW, PO = 50mW 19 22 27 degree Astigmatism As CW, PO = 50mW — — –6 µm Monitor current Im CW, PO = 50mW, VR (PIN) = 5V — 0.05 — mA ∆φ// CW, PO = 50mW — — ±2.0 degree ∆φ⊥ CW, PO = 50mW — — ±3.0 degree — — ±80 µm Radiation angle Positional accuracy Parallel Angle Position ∆X, ∆Y, ∆Z –2– SLD234VL Package Outline Unit: mm M-260 Reference Slot 0.4 1.0 0.5 90° 3 2 1 0 φ5.6 – 0.05 φ4.4 MAX 0.25 ∗1.26 φ3.7 MAX 1.2 ± 0.1 Reference Plane 2.6 MAX 0.5 MIN 1 6.5 2 3 LD Chip & Photo Diode 3 – φ0.45 ∗Optical Distance = 1.35 ± 0.15 SONY CODE PCD φ2.0 M-260 EIAJ CODE JEDEC CODE PACKAGE WEIGHT –3– 0.3g